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/******************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Debug Bridge.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
******************************************************************************/
#include "qdbtransport.h"
#include "protocol/protocol.h"
#include <QtCore/qdatastream.h>
#include <QtCore/qdebug.h>
#include <QtCore/qloggingcategory.h>
Q_LOGGING_CATEGORY(transportC, "transport");
QdbTransport::QdbTransport(QIODevice *io)
: m_io{io}
{
}
QdbTransport::~QdbTransport()
{
}
bool QdbTransport::open()
{
connect(m_io.get(), &QIODevice::readyRead, this, &QdbTransport::messageAvailable, Qt::QueuedConnection);
return m_io->open(QIODevice::ReadWrite | QIODevice::Unbuffered);
}
bool QdbTransport::send(const QdbMessage &message)
{
int messageSize = qdbHeaderSize + message.data().size();
QByteArray buf{messageSize, '\0'};
QDataStream stream{&buf, QIODevice::WriteOnly};
stream << message;
int count = m_io->write(buf.constData(), messageSize);
if (count != messageSize) {
qCritical() << "QdbTransport::send() could not write entire message of" << messageSize << ", only wrote" << count;
return false;
}
qCDebug(transportC) << "TX:" << message;
return true;
}
QdbMessage QdbTransport::receive()
{
QByteArray buf{qdbMessageSize, '\0'};
int count = m_io->read(buf.data(), buf.size());
if (count < qdbHeaderSize) {
qDebug() << "QdbTransport::receive() could only read" << count << "out of package header's" << qdbHeaderSize;
return QdbMessage{QdbMessage::Invalid, 0, 0};
}
QDataStream stream{buf};
QdbMessage message;
stream >> message;
qCDebug(transportC) << "RX:" << message;
return message;
}
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